MPEC 2001-O23 : 2001 OX13
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M.P.E.C. 2001-O23 Issued 2001 July 22, 19:31 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 OX13
Observations:
K01O13X* C2001 07 18.39117 21 17 34.70 -31 07 49.5 18.8 644
K01O13X C2001 07 18.40153 21 17 35.46 -31 07 54.6 18.9 644
K01O13X C2001 07 18.41259 21 17 36.25 -31 07 59.9 18.8 644
K01O13X C2001 07 19.30156 21 18 49.53 -31 15 00.6 18.9 644
K01O13X C2001 07 19.31244 21 18 50.31 -31 15 06.1 18.7 644
K01O13X C2001 07 19.32319 21 18 51.08 -31 15 11.9 18.6 644
K01O13X IC2001 07 19.50059 21 19 06.14 -31 16 09.6 18.7 R 422
K01O13X C2001 07 20.63149 21 20 35.90 -31 25 01.9 18.7 R 428
K01O13X C2001 07 20.64185 21 20 36.53 -31 25 05.9 18.5 R 428
K01O13X C2001 07 20.75669021 20 44.673-31 25 54.89 18.6 R 422
K01O13X C2001 07 22.56657 21 23 09.81 -31 39 27.0 17.3 R 474
K01O13X C2001 07 22.56821 21 23 09.93 -31 39 28.0 16.9 R 474
K01O13X C2001 07 22.56986 21 23 10.04 -31 39 28.6 17.1 R 474
K01O13X C2001 07 22.57150 21 23 10.13 -31 39 29.1 16.9 R 474
K01O13X C2001 07 22.57315 21 23 10.25 -31 39 29.9 16.1 R 474
Observer details:
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observers I. P. Griffin, N. Brady.
1.0-m f/7.7 reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD.
Orbital elements:
2001 OX13
Epoch 2001 July 10.0 TT = JDT 2452100.5 Spahr
M 347.13340 (2000.0) P Q
n 0.26580723 Peri. 276.38159 +0.87710123 +0.47653464
a 2.3956582 Node 55.17503 -0.40666535 +0.80333986
e 0.4622345 Incl. 4.19628 -0.25557139 +0.35715515
P 3.71 H 18.7 G 0.15
From 15 observations 2001 July 18-22.
Ephemeris:
2001 OX13 a,e,i = 2.40, 0.46, 4 q = 1.2883
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 10 21 05.79 -29 58.4 0.390 1.379 154.5 18.5 18.3
2001 07 20 21 19.75 -31 20.1 0.348 1.347 158.8 15.9 17.9
2001 07 30 21 32.69 -32 27.2 0.318 1.321 161.3 14.2 17.6
2001 08 09 21 44.82 -32 59.5 0.300 1.302 161.7 14.2 17.5
2001 08 19 21 56.25 -32 39.1 0.293 1.291 160.2 15.4 17.4
2001 08 29 22 07.44 -31 15.3 0.296 1.288 157.5 17.4 17.5
2001 09 08 22 18.90 -28 50.9 0.310 1.294 154.3 19.7 17.7
2001 09 18 22 30.83 -25 39.8 0.335 1.307 150.7 22.1 18.0
2001 09 28 22 43.52 -21 59.9 0.371 1.328 146.7 24.4 18.3
2001 10 08 22 57.02 -18 09.4 0.420 1.356 142.4 26.7 18.7
2001 10 18 23 11.23 -14 21.8 0.481 1.391 137.8 28.8 19.1
2001 10 28 23 26.16 -10 44.0 0.554 1.430 133.0 30.5 19.5
2001 11 07 23 41.69 -07 19.6 0.640 1.475 128.1 31.9 19.9
2001 11 17 23 57.72 -04 09.2 0.738 1.523 123.1 33.0 20.3
2001 11 27 00 14.22 -01 11.7 0.848 1.574 118.0 33.6 20.7
2001 12 07 00 31.11 +01 33.9 0.968 1.628 112.8 33.9 21.1
2001 12 17 00 48.34 +04 08.7 1.099 1.683 107.6 33.9 21.4
2001 12 27 01 05.89 +06 34.1 1.239 1.739 102.4 33.5 21.8
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-O23
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